Vascular Lesions

The hemangioma is a very common benign pediatric neoplasm. These often extend from the superficial soft tissues to the deeper underlying tissues. They tend to be bright on T2 and even brighter on longer TE images. When gadolinium is given, they usually enhance very brightly.

Arterial venous malformations are rather uncommon abnormalities in the head and neck, but they can be seen as serpentine tangled flow voids or areas of flow related enhancement due to slow-flowing draining veins. Phase artifact may be a tip off, which can be accentuated with administration of gadolinium.

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